<!DOCTYPE html>
<script src="../include.js"></script>
<script>
    function dumpAudioParam(param) {
        println(`${param} current: ${param.value}, default: ${param.defaultValue}, min: ${param.minValue}, max: ${param.maxValue}, rate: ${param.automationRate}`);
    }

    test(() => {
        const audioContext = new OfflineAudioContext(1, 5000, 44100);

        const oscillator = audioContext.createOscillator();

        // Check prototype
        let prototype = Object.getPrototypeOf(oscillator);

        while (prototype) {
            println(prototype.constructor.name);
            prototype = Object.getPrototypeOf(prototype);
        }

        // Context getter
        println(`context: '${oscillator.context}, is same as original: ${audioContext === oscillator.context}`);

        // Invalid type in constructor
        try {
            new OscillatorNode(audioContext, { type: 'custom' });
        } catch (e) {
            println(`Error creating node: '${e}'`);
        }

        // Type attribute
        println(`oscillator node type: '${oscillator.type}'`);
        try {
            oscillator.type = 'custom';
        } catch (e) {
            println(`Error: '${e}', type is: ${oscillator.type}`);
        }
        oscillator.type = 'triangle';
        println(`oscillator node type: '${oscillator.type}'`);

        // Frequency attribute
        let frequency = oscillator.frequency;
        dumpAudioParam(frequency);
        frequency.value = -52;
        dumpAudioParam(frequency);
        frequency.value = 100_000;
        dumpAudioParam(frequency);
        frequency.value = -22051;
        dumpAudioParam(frequency);
    });
</script>
